Infiniti FX35, FX50 (S51). Manual — part 923
PRECAUTIONS
EC-1233
< PRECAUTION >
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• When installing C.B. ham radio or a mobile phone, be sure to
observe the following as it may adversely affect electronic
control systems depending on installation location.
- Keep the antenna as far as possible from the electronic con-
trol units.
- Keep the antenna feeder line more than 20 cm (8 in) away
from the harness of electronic controls.
Never let them run parallel for a long distance.
- Adjust the antenna and feeder line so that the standing-wave
ratio can be kept smaller.
- Be sure to ground the radio to vehicle body.
SEF708Y
EC-1234
< PREPARATION >
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PREPARATION
PREPARATION
PREPARATION
Special Service Tools
INFOID:0000000005237664
NOTE:
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Commercial Service Tools
INFOID:0000000005237665
Tool number
(Kent-Moore No.)
Tool name
Description
(J-44321)
Fuel pressure gauge
kit
Checks fuel pressure
LEC642
Tool name
(Kent-Moore No.)
Description
Leak detector
i.e.: (J-41416)
Locates the EVAP leak
EVAP service port
adapter
i.e.: (J-41413-OBD)
Applys positive pressure through EVAP service
port
Fuel filler cap adapter
i.e.: (MLR-8382)
Checks fuel tank vacuum relief valve opening
pressure
Socket wrench
Removes and installs engine coolant temperature
sensor
S-NT703
S-NT704
S-NT815
S-NT705
PREPARATION
EC-1235
< PREPARATION >
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Oxygen sensor thread
cleaner
i.e.: (J-43897-18)
(J-43897-12)
Reconditions the exhaust system threads before
installing a new oxygen sensor. Use with anti-
seize lubricant shown below.
a: 18 mm diameter with pitch 1.5 mm for Zirco-
nia Oxygen Sensor
b: 12 mm diameter with pitch 1.25 mm for Tita-
nia Oxygen Sensor
Anti-seize lubricant
i.e.: (Permatex
TM
133AR or equivalent
meeting MIL specifica-
tion MIL-A-907)
Lubricates oxygen sensor thread cleaning tool
when reconditioning exhaust system threads.
Tool name
(Kent-Moore No.)
Description
AEM488
S-NT779
EC-1236
< PERIODIC MAINTENANCE >
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FUEL PRESSURE
PERIODIC MAINTENANCE
FUEL PRESSURE
Inspection
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FUEL PRESSURE RELEASE
With CONSULT-III
1.
Turn ignition switch ON.
2.
Perform “FUEL PRESSURE RELEASE” in “WORK SUPPORT” mode with CONSULT-III.
3.
Start engine.
4.
After engine stalls, crank it two or three times to release all fuel pressure.
5.
Turn ignition switch OFF.
Without CONSULT-III
1.
Remove fuel pump fuse (1) located in IPDM E/R (2).
2.
Start engine.
3.
After engine stalls, crank it two or three times to release all fuel
pressure.
4.
Turn ignition switch OFF.
5.
Reinstall fuel pump fuse after servicing fuel system.
FUEL PRESSURE CHECK
CAUTION:
Before disconnecting fuel line, release fuel pressure from fuel line to eliminate danger.
NOTE:
• Prepare pans or saucers under the disconnected fuel line because the fuel may spill out. The fuel
pressure cannot be completely released because S51 models do not have fuel return system.
• Use Fuel Pressure Gauge Kit [SST:(J-44321)] to check fuel pressure.
1.
Release fuel pressure to zero.
2.
Install the inline fuel quick disconnected fitting (A) between fuel
damper (1) and injector tube.
3.
Connect the fuel pressure test gauge (quick connector adapter
hose) (B) to the inline fuel quick disconnected fitting.
4.
Turn ignition switch ON and check for fuel leakage.
5.
Start engine and check for fuel leakage.
6.
Read the indication of fuel pressure gauge.
7.
If result is unsatisfactory, check fuel hoses and fuel tubes for
clogging.
If OK, Replace “fuel filter and fuel pump assembly”.
If NG, Repair or replace malfunctioning part.
JMBIA1552ZZ
At idling
: Approximately 350 kPa (3.57 kg/cm
2
, 51 psi)
JMBIA1553ZZ
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